IVGCVSW-4622 Add NEON FILL Workload

* Added Neon workload for Fill Operator
* Enabled Fill operator tests on Neon
* NEFill function does not have validate() function yet
  IsLayerSupported() function return true at the moment
* Added INT32 supported type for CpuRef

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I17bf5ec13750f46322a30653e15ba2a514f61f08
diff --git a/src/backends/neon/workloads/CMakeLists.txt b/src/backends/neon/workloads/CMakeLists.txt
index 685d75b..e3b74f6 100644
--- a/src/backends/neon/workloads/CMakeLists.txt
+++ b/src/backends/neon/workloads/CMakeLists.txt
@@ -42,6 +42,8 @@
     NeonDetectionPostProcessWorkload.hpp
     NeonExpWorkload.cpp
     NeonExpWorkload.hpp
+    NeonFillWorkload.cpp
+    NeonFillWorkload.hpp
     NeonFloorFloatWorkload.cpp
     NeonFloorFloatWorkload.hpp
     NeonFullyConnectedWorkload.cpp
diff --git a/src/backends/neon/workloads/NeonFillWorkload.cpp b/src/backends/neon/workloads/NeonFillWorkload.cpp
new file mode 100644
index 0000000..5965d20
--- /dev/null
+++ b/src/backends/neon/workloads/NeonFillWorkload.cpp
@@ -0,0 +1,38 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "NeonFillWorkload.hpp"
+
+#include <neon/NeonTensorHandle.hpp>
+#include <aclCommon/ArmComputeTensorUtils.hpp>
+#include <arm_compute/core/Types.h>
+#include <arm_compute/runtime/NEON/functions/NEFill.h>
+
+#include "NeonWorkloadUtils.hpp"
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+NeonFillWorkload::NeonFillWorkload(const FillQueueDescriptor& descriptor, const WorkloadInfo& info)
+    : BaseWorkload<FillQueueDescriptor>(descriptor, info)
+{
+    m_Data.ValidateInputsOutputs("NeonFillWorkload", 1, 1);
+
+    arm_compute::ITensor& output = static_cast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+    arm_compute::PixelValue pixelValue = GetPixelValue(output, descriptor.m_Parameters.m_Value);
+
+    auto layer = std::make_unique<arm_compute::NEFill>();
+    layer->configure(&output, pixelValue);
+    m_Layer.reset(layer.release());
+}
+
+void NeonFillWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_NEON("NeonFillWorkload_Execute");
+    m_Layer->run();
+}
+
+} // namespace armnn
diff --git a/src/backends/neon/workloads/NeonFillWorkload.hpp b/src/backends/neon/workloads/NeonFillWorkload.hpp
new file mode 100644
index 0000000..40e4aa6
--- /dev/null
+++ b/src/backends/neon/workloads/NeonFillWorkload.hpp
@@ -0,0 +1,25 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/WorkloadData.hpp>
+#include <backendsCommon/Workload.hpp>
+#include <arm_compute/runtime/IFunction.h>
+#include <arm_compute/core/Error.h>
+
+namespace armnn {
+
+class NeonFillWorkload : public BaseWorkload<FillQueueDescriptor>
+{
+public:
+    NeonFillWorkload(const FillQueueDescriptor& descriptor, const WorkloadInfo& info);
+    void Execute() const override;
+
+private:
+    std::unique_ptr<arm_compute::IFunction> m_Layer;
+};
+
+} //namespace armnn
diff --git a/src/backends/neon/workloads/NeonWorkloads.hpp b/src/backends/neon/workloads/NeonWorkloads.hpp
index 243f5a4..c1bc4cc 100644
--- a/src/backends/neon/workloads/NeonWorkloads.hpp
+++ b/src/backends/neon/workloads/NeonWorkloads.hpp
@@ -24,6 +24,7 @@
 #include "NeonDetectionPostProcessWorkload.hpp"
 #include "NeonDivisionWorkload.hpp"
 #include "NeonExpWorkload.hpp"
+#include "NeonFillWorkload.hpp"
 #include "NeonFloorFloatWorkload.hpp"
 #include "NeonFullyConnectedWorkload.hpp"
 #include "NeonGatherWorkload.hpp"